/*
 * Copyright (c) 2009, Hamish Morgan. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the University of Sussex nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package piccat.view;

import java.awt.Component;
import java.awt.Point;
import java.awt.event.HierarchyBoundsListener;
import java.awt.event.HierarchyEvent;

/**
 * Binds one commponent so it matches the size and/or location of another.

 * @author Hamish Morgan
 * @deprecated 
 */
public class SizeBinder {

    private final HierarchyBoundsListener listener;
    private Component from = null;
    private Component to = null;
    private boolean bindSize;
    private boolean bindLocation;

    public SizeBinder(Component from, Component to) {
        this();
        setFrom(from);
        setTo(to);
    }

    public SizeBinder() {
        listener = new HierarchyBoundsHandler();
        bindSize = true;
        bindLocation = true;
    }

    public Component getFrom() {
        return from;
    }

    public Component getTo() {
        return to;
    }

    public void setFrom(Component from) {
        if (this.from != from) {
            this.from.removeHierarchyBoundsListener(listener);
            this.from = from;
            this.from.addHierarchyBoundsListener(listener);
        }
    }

    public void setTo(Component to) {
        this.to = to;
    }

    public void setBindSize(boolean bindSize) {
        this.bindSize = bindSize;
    }

    public boolean isBindSize() {
        return bindSize;
    }

    public void setBindLocation(boolean bindLocation) {
        this.bindLocation = bindLocation;
    }

    public boolean isBindLocation() {
        return bindLocation;
    }

    private void doUpdateSize() {
        if (!bindSize)
            return;
        if (from == null || to == null)
            return;

        to.setSize(from.getSize());
    }

    private void doUpdateLocation() {
        if (!bindLocation)
            return;
        if (from == null || to == null)
            return;

        final Point fromLoc = from.getLocationOnScreen();
        final Point toLoc = to.getLocationOnScreen();

        final int dx = (int) (fromLoc.getX() - toLoc.getX());
        final int dy = (int) (fromLoc.getY() - toLoc.getY());

        to.setLocation(to.getX() + dx, to.getY() + dy);
    }

    private class HierarchyBoundsHandler implements HierarchyBoundsListener {

        public void ancestorMoved(HierarchyEvent e) {
            doUpdateLocation();
        }

        public void ancestorResized(HierarchyEvent e) {
            doUpdateSize();
        }
    }
}
